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When 3.45g of compound X is heated, 2.72 g of compound Y is formed along w/ some Chlorine gas. 2 different Cl compounds of Platinum are known, compound X & Y.
When the temperature is increased by10.0oC, and the density of a certain gas is 0.7157 g/L at a certain temperature, the density is 0.6905 g/L. If the pressure was held constant at the 1.0 atm for
Graph function using equation in part i. Describe why it is not essential to plot points to graph when using y = a (x - h)2 + k. Illustrate graph. Explain graphing.
Consider an N2 molecule confined to a 1.00 m potential well. Determine the lowest energy state for this system? Explain the quantum # of an average N2 molecule in which the translational k
Give equations showing on how this might be done and how the benzoic acid would be generated. The benzoic acid could have been extracted from the ether layer using a sodium bicarbonate solution.
Calculate the lowest energy of an electron placed in a one dimensional potential well of 1x10^-14 m. Describe can a free electron exist in the nucleus?
The density is an example of an intensive physical property of matter. Discuss what does this statement mean and explain how does the temperature affect the density of an object?
Write down a stepwise equation for these reactions when the triphenylmethanol can also be prepared from the reaction of ethyl benzoate with phenyl magnesium bromide and by the reaction of diethyl c
f its column is 450 mL and its contents have a pH of 2, determine the numbers of mold of H does it contain? Suppose that all the H+ come from the HCL, determine the numbers of grams of sodium hydrog
If this energy is derived from the combustion of methane (CH4) at standard conditions (25oC and 1 atm), the heat of combustion of methane is 889.967 kJ/mol and the density of methane is 0.0680kg/m3.
Explain how do you separate impurities from the solid you are purifying in an ideal solvent in each of these situations
Starting with 1.00 ´ 10 20molecules of reactant at time t = 0, a first-order reaction has a half-life of 20.0 minutes. Determine the numbers of molecules remain un-reacted after
Discuss how long will it take the concentration of A to drop from the 0.75 M to0.25 M when the rate constant for the reaction 3A ® 4B is 6.00 ´10 -3 L mol -1min
Estimate the first-order rate constant for its decay, in units of years -1 when the Carbon-14 is a radioactive isotope which decays with a half-life of 5730 years.
In what two ways might the presence of significant amounts of benzoic acid impurity be harmful to the benzoic condensation if the Benzaldehyde is easily oxidized to benzoic acid by oxygen
A thermos is a container with vacuum among its inner and outer walls. Describe why removing air among the walls reduces the heat exchange between the contents of the thermos and surroundings.
Plot points and make possible sketch of graph off on interval [-6,6]. Find smallest critical number of critical points in interval? Describe.
By mixing the 2.17g of an unknown non-electrolyte a solution is prepared with the 225.0g of chloroform. The freezing point of the mixture is -64.1g Celsius, while the freezing point of chloroform i
Discuss is the compound an electrolyte or not? If it is an electrolyte, determine the numbers of ions does the compound produce? Where the value of R = 0.0821Latm/oC-mol.
Explain what mass of it is required to lower the melting point of 5.2 kg of ice to -4.2 degrees Celsius, assuming that NaCl dissolves totally and produces an ideal solution,?
Find out the approximate normal boiling temperature of the same solution when a certain aqueous solution freezes at the -.0300oC and where the value of Kf = 1.86oC/m and Kb = 0.51 oC/m
Write down the empirical formulas of compounds that the elements in the third period are expected to produce with the
Determine the mass of water vapor present in a room of volume 400 m3 that contains air at 27 degrees C on a day when the relative humidity is 60 percent.
Describe what property of the sodium salt of methyl salicylate, as compared to the disodium salt of salicylic acid, made it possible to visually gauge the progress of this basic hydrolysis of methy